include/qapi/visitor-impl.h

   1 /*
   2  * Core Definitions for QAPI Visitor implementations
   3  *
   4  * Copyright (C) 2012 Red Hat, Inc.
   5  *
   6  * Author: Paolo Bonizni <pbonzini@redhat.com>
   7  *
   8  * This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
   9  * See the COPYING.LIB file in the top-level directory.
  10  *
  11  */
  12 #ifndef QAPI_VISITOR_IMPL_H
  13 #define QAPI_VISITOR_IMPL_H
  14
  15 #include "qapi/error.h"
  16 #include "qapi/visitor.h"
  17
  18 struct Visitor
  19 {
  20     /* Must be set */
  21     void (*start_struct)(Visitor *v, void **obj, const char *kind,
  22                          const char *name, size_t size, Error **errp);
  23     void (*end_struct)(Visitor *v, Error **errp);
  24
  25     void (*start_list)(Visitor *v, const char *name, Error **errp);
  26     GenericList *(*next_list)(Visitor *v, GenericList **list, Error **errp);
  27     void (*end_list)(Visitor *v, Error **errp);
  28
  29     void (*type_enum)(Visitor *v, int *obj, const char *strings[],
  30                       const char *kind, const char *name, Error **errp);
  31
  32     void (*type_int)(Visitor *v, int64_t *obj, const char *name, Error **errp);
  33     void (*type_bool)(Visitor *v, bool *obj, const char *name, Error **errp);
  34     void (*type_str)(Visitor *v, char **obj, const char *name, Error **errp);
  35     void (*type_number)(Visitor *v, double *obj, const char *name,
  36                         Error **errp);
  37
  38     /* May be NULL */
  39     void (*start_optional)(Visitor *v, bool *present, const char *name,
  40                            Error **errp);
  41     void (*end_optional)(Visitor *v, Error **errp);
  42
  43     void (*start_handle)(Visitor *v, void **obj, const char *kind,
  44                          const char *name, Error **errp);
  45     void (*end_handle)(Visitor *v, Error **errp);
  46     void (*type_uint8)(Visitor *v, uint8_t *obj, const char *name, Error **errp);
  47     void (*type_uint16)(Visitor *v, uint16_t *obj, const char *name, Error **errp);
  48     void (*type_uint32)(Visitor *v, uint32_t *obj, const char *name, Error **errp);
  49     void (*type_uint64)(Visitor *v, uint64_t *obj, const char *name, Error **errp);
  50     void (*type_int8)(Visitor *v, int8_t *obj, const char *name, Error **errp);
  51     void (*type_int16)(Visitor *v, int16_t *obj, const char *name, Error **errp);
  52     void (*type_int32)(Visitor *v, int32_t *obj, const char *name, Error **errp);
  53     void (*type_int64)(Visitor *v, int64_t *obj, const char *name, Error **errp);
  54     /* visit_type_size() falls back to (*type_uint64)() if type_size is unset */
  55     void (*type_size)(Visitor *v, uint64_t *obj, const char *name, Error **errp);
  56 };
  57
  58 void input_type_enum(Visitor *v, int *obj, const char *strings[],
  59                      const char *kind, const char *name, Error **errp);
  60 void output_type_enum(Visitor *v, int *obj, const char *strings[],
  61                       const char *kind, const char *name, Error **errp);
  62
  63 #endif